Home / 48,279.40-72,419.10-44,780.20

Finding the Fourth Proportional to 48,279.40, 72,419.10 and 44,780.20

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Solution

The fourth proportional to 48,279.40, 72,419.10 and 44,780.20 is: 67,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.40 : 72,419.10 = 44,780.20 : x
  2. Step 2: Convert to fraction form
    48,279.40/72,419.10 = 44,780.20/x
  3. Step 3: Cross multiply
    48,279.40x = 72,419.10 × 44,780.20
  4. Step 4: Simplify right side
    48,279.40x = 3,242,941,781.82
  5. Step 5: Solve for x
    x = 3,242,941,781.82/48,279.40
  6. Step 6: Final answer
    x = 67,170.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.